Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623541 | Apparatus to manipulate and examine the data structure that supports digit analysis in telecommunications call processing | Valerie Y. Boyle, Daryl C. Lu, Robert A. Swanson | 1997-04-22 |